Send full position update packet in 1.20.5->1.21 placement rotation fix (#4290)

common/src/main/java/com/viaversion/viaversion/protocols/v1_20_5to1_21/Protocol1_20_5To1_21.java

@@ -46,7 +46,7 @@ import com.viaversion.viaversion.protocols.v1_20_5to1_21.rewriter.BlockItemPacke
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.rewriter.ComponentRewriter1_21;
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.rewriter.EntityPacketRewriter1_21;
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.storage.EfficiencyAttributeStorage;
-import com.viaversion.viaversion.protocols.v1_20_5to1_21.storage.OnGroundTracker;
+import com.viaversion.viaversion.protocols.v1_20_5to1_21.storage.PlayerPositionStorage;
 import com.viaversion.viaversion.rewriter.ComponentRewriter;
 import com.viaversion.viaversion.rewriter.ParticleRewriter;
 import com.viaversion.viaversion.rewriter.SoundRewriter;
@@ -234,7 +234,7 @@ public final class Protocol1_20_5To1_21 extends AbstractProtocol<ClientboundPack
     public void init(final UserConnection connection) {
         addEntityTracker(connection, new EntityTrackerBase(connection, EntityTypes1_20_5.PLAYER));
         connection.put(new EfficiencyAttributeStorage());
-        connection.put(new OnGroundTracker());
+        connection.put(new PlayerPositionStorage());
     }
 
     @Override

common/src/main/java/com/viaversion/viaversion/protocols/v1_20_5to1_21/rewriter/BlockItemPacketRewriter1_21.java

@@ -40,7 +40,7 @@ import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ServerboundPac
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.Protocol1_20_5To1_21;
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.data.AttributeModifierMappings1_21;
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.storage.EfficiencyAttributeStorage;
-import com.viaversion.viaversion.protocols.v1_20_5to1_21.storage.OnGroundTracker;
+import com.viaversion.viaversion.protocols.v1_20_5to1_21.storage.PlayerPositionStorage;
 import com.viaversion.viaversion.rewriter.BlockRewriter;
 import com.viaversion.viaversion.rewriter.StructuredItemRewriter;
 import java.util.Arrays;
@@ -143,13 +143,16 @@ public final class BlockItemPacketRewriter1_21 extends StructuredItemRewriter<Cl
             if (!Via.getConfig().fix1_21PlacementRotation()) {
                 return;
             }
-            final OnGroundTracker tracker = wrapper.user().get(OnGroundTracker.class);
+            final PlayerPositionStorage storage = wrapper.user().get(PlayerPositionStorage.class);
 
             // Not correct but *enough* for vanilla/normal servers to have block placement synchronized
-            final PacketWrapper playerRotation = wrapper.create(ServerboundPackets1_20_5.MOVE_PLAYER_ROT);
+            final PacketWrapper playerRotation = wrapper.create(ServerboundPackets1_20_5.MOVE_PLAYER_POS_ROT);
+            playerRotation.write(Types.DOUBLE, storage.x());
+            playerRotation.write(Types.DOUBLE, storage.y());
+            playerRotation.write(Types.DOUBLE, storage.z());
             playerRotation.write(Types.FLOAT, yaw);
             playerRotation.write(Types.FLOAT, pitch);
-            playerRotation.write(Types.BOOLEAN, tracker.onGround());
+            playerRotation.write(Types.BOOLEAN, storage.onGround());
 
             playerRotation.sendToServer(Protocol1_20_5To1_21.class);
             wrapper.sendToServer(Protocol1_20_5To1_21.class);

common/src/main/java/com/viaversion/viaversion/protocols/v1_20_5to1_21/rewriter/EntityPacketRewriter1_21.java

@@ -38,7 +38,7 @@ import com.viaversion.viaversion.protocols.v1_20_3to1_20_5.packet.ServerboundPac
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.Protocol1_20_5To1_21;
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.data.Paintings1_20_5;
 import com.viaversion.viaversion.protocols.v1_20_5to1_21.storage.EfficiencyAttributeStorage;
-import com.viaversion.viaversion.protocols.v1_20_5to1_21.storage.OnGroundTracker;
+import com.viaversion.viaversion.protocols.v1_20_5to1_21.storage.PlayerPositionStorage;
 import com.viaversion.viaversion.rewriter.EntityRewriter;
 import com.viaversion.viaversion.rewriter.RegistryDataRewriter;
 
@@ -123,48 +123,51 @@ public final class EntityPacketRewriter1_21 extends EntityRewriter<ClientboundPa
 
             // Resend attribute modifiers from items
             wrapper.user().get(EfficiencyAttributeStorage.class).onRespawn(wrapper.user());
+
+            wrapper.user().put(new PlayerPositionStorage());
         });
 
-        // Tracks on ground state for block interactions
+        // Tracking player position and on ground for block interactions, rotations is kept from the interaction packet
         protocol.registerServerbound(ServerboundPackets1_20_5.MOVE_PLAYER_POS, wrapper -> {
-            if (!Via.getConfig().fix1_21PlacementRotation()) {
+            if (Via.getConfig().fix1_21PlacementRotation()) {
-                return;
+                storePosition(wrapper);
+                storeOnGround(wrapper);
             }
-            wrapper.passthrough(Types.DOUBLE); // X
-            wrapper.passthrough(Types.DOUBLE); // Y
-            wrapper.passthrough(Types.DOUBLE); // Z
-
-            wrapper.user().get(OnGroundTracker.class).setOnGround(wrapper.passthrough(Types.BOOLEAN));
         });
         protocol.registerServerbound(ServerboundPackets1_20_5.MOVE_PLAYER_ROT, wrapper -> {
-            if (!Via.getConfig().fix1_21PlacementRotation()) {
+            if (Via.getConfig().fix1_21PlacementRotation()) {
-                return;
-            }
                 wrapper.passthrough(Types.FLOAT); // Yaw
                 wrapper.passthrough(Types.FLOAT); // Pitch
-
+                storeOnGround(wrapper);
-            wrapper.user().get(OnGroundTracker.class).setOnGround(wrapper.passthrough(Types.BOOLEAN));
+            }
         });
         protocol.registerServerbound(ServerboundPackets1_20_5.MOVE_PLAYER_POS_ROT, wrapper -> {
-            if (!Via.getConfig().fix1_21PlacementRotation()) {
+            if (Via.getConfig().fix1_21PlacementRotation()) {
-                return;
+                storePosition(wrapper);
-            }
-            wrapper.passthrough(Types.DOUBLE); // X
-            wrapper.passthrough(Types.DOUBLE); // Y
-            wrapper.passthrough(Types.DOUBLE); // Z
                 wrapper.passthrough(Types.FLOAT); // Yaw
                 wrapper.passthrough(Types.FLOAT); // Pitch
-
+                storeOnGround(wrapper);
-            wrapper.user().get(OnGroundTracker.class).setOnGround(wrapper.passthrough(Types.BOOLEAN));
+            }
         });
         protocol.registerServerbound(ServerboundPackets1_20_5.MOVE_PLAYER_STATUS_ONLY, wrapper -> {
-            if (!Via.getConfig().fix1_21PlacementRotation()) {
+            if (Via.getConfig().fix1_21PlacementRotation()) {
-                return;
+                storeOnGround(wrapper);
             }
-            wrapper.user().get(OnGroundTracker.class).setOnGround(wrapper.passthrough(Types.BOOLEAN));
         });
     }
 
+    private void storePosition(final PacketWrapper wrapper) {
+        final double x = wrapper.passthrough(Types.DOUBLE);
+        final double y = wrapper.passthrough(Types.DOUBLE);
+        final double z = wrapper.passthrough(Types.DOUBLE);
+        wrapper.user().get(PlayerPositionStorage.class).setPosition(x, y, z);
+    }
+
+    private void storeOnGround(final PacketWrapper wrapper) {
+        final boolean onGround = wrapper.passthrough(Types.BOOLEAN);
+        wrapper.user().get(PlayerPositionStorage.class).setOnGround(onGround);
+    }
+
     @Override
     protected void registerRewrites() {
         filter().handler((event, data) -> {

common/src/main/java/com/viaversion/viaversion/protocols/v1_20_5to1_21/storage/PlayerPositionStorage.java

@@ -19,10 +19,31 @@ package com.viaversion.viaversion.protocols.v1_20_5to1_21.storage;
 
 import com.viaversion.viaversion.api.connection.StorableObject;
 
-public final class OnGroundTracker implements StorableObject {
+public final class PlayerPositionStorage implements StorableObject {
 
+    private double x;
+    private double y;
+    private double z;
     private boolean onGround;
 
+    public double x() {
+        return x;
+    }
+
+    public double y() {
+        return y;
+    }
+
+    public double z() {
+        return z;
+    }
+
+    public void setPosition(final double x, final double y, final double z) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+    }
+
     public boolean onGround() {
         return onGround;
     }